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		<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
		<title>首页</title>
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	<body>
		<div id  ="content"  style="bottom-top:280px;text-align:center;width:600px;height:400px;position:absolute;top:50%;left:50%;border:1px solid red;margin-top:-200px;margin-left:-300px;">
			后台出现错误啦!
		<div>
	</body>
</html>